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Home/ Questions/Q 7923005
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Editorial Team
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Editorial Team
Asked: June 3, 20262026-06-03T17:09:43+00:00 2026-06-03T17:09:43+00:00

When I install vector with: cabal install vector I get lots of SpecConstr limit

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When I install vector with:

cabal install vector

I get lots of SpecConstr limit warnings which would go away if I could specify -fspec-constr-count=SOMETHING-HIGHER.

  1. Would

    cabal install vector -fspec-constr-count=HIGH
    

    work?

  2. If X depends on vector, is there a way to say in X.cabal I depend on vector with preferably (in case X is not yet already installed) -fpsec-constr-count=HIGH?

  3. Is vector still maintained or is there now a more recommendable alternative?

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  1. Editorial Team
    Editorial Team
    2026-06-03T17:09:45+00:00Added an answer on June 3, 2026 at 5:09 pm

    You can pass extra options to programs run by Cabal by using --PROG-options=OPTS.

    cabal install vector --ghc-options=-fspec-constr-count=HIGH
    
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